CCLP csi compressco lp - common units NASDAQ Oilfield Services/Equipment CAPL crossamerica partners lp common units representing limited partner interests NYSE Oil Refining/Marketing BWXT bwx technologies, inc. NYSE Industrial Machinery/Components BTU peabody energy corporation NYSE Coal Mining BTE baytex energy corp common shares NYSE Oil & Gas Production BSM black stone minerals, l.p. common units representing limited partner interests AMEX Oil & Gas Production BRN barnwell industries, inc. AMEX Oil & Gas Production BPT bp prudhoe bay royalty trust NYSE Integrated oil Companies BP bp p.l.c. NYSE Integrated oil Companies BLDP ballard power systems, inc. - common shares NASDAQ Industrial Machinery/Components BC brunswick corporation NYSE Industrial Machinery/Components ARLP alliance resource partners, l.p. - common units representing limited partnership interests NASDAQ Coal Mining ARCH arch resources, inc. class a NYSE Coal Mining AR antero resources corporation NYSE Oil & Gas Production APA apa corporation NYSE Oil & Gas Production AE adams resources & energy, inc. AMEX Oil Refining/Marketing